Rapidio Interface Dedicated Dma Controller - Freescale Semiconductor MSC8144E Reference Manual

RapidIO Interface Dedicated DMA
Controller
The MSC8144E includes a dedicated DMA controller that transfers blocks of data between the serial
RapidIO controller and the local address space independent from the DSP cores.
Figure 17-1 shows the block diagram of the dedicated DMA controller.
Dedicated DMA Controller
to Support the RapidIO
Interface
Figure 17-1. RapidIO Interface Dedicated DMA Controller Block Diagram
Freescale Semiconductor
CHN 0 CHN 1
Arbitration and Bandwidth Control
Source
Address
Controls
Address
Tenure
Controls
Serial RapidIO Controller/
Local Space
MSC8144E Reference Manual, Rev. 3
CHN 2 CHN 3
Destination
Address
Controls
Tenure
Controls
Data Interface
17
Data
17-1